/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.pipe.event.common.schema;

import org.apache.iotdb.commons.pipe.agent.task.meta.PipeTaskMeta;
import org.apache.iotdb.commons.pipe.datastructure.pattern.TablePattern;
import org.apache.iotdb.commons.pipe.datastructure.pattern.TreePattern;
import org.apache.iotdb.commons.pipe.event.EnrichedEvent;
import org.apache.iotdb.commons.pipe.event.PipeWritePlanEvent;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNode;
import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNodeType;

import org.apache.tsfile.utils.ReadWriteIOUtils;

import java.nio.ByteBuffer;

public class PipeSchemaRegionWritePlanEvent extends PipeWritePlanEvent {

  private PlanNode planNode;

  public PipeSchemaRegionWritePlanEvent() {
    // Used for deserialization
    this(null, false);
  }

  public PipeSchemaRegionWritePlanEvent(final PlanNode planNode, final boolean isGeneratedByPipe) {
    this(planNode, null, 0, null, null, null, null, null, null, true, isGeneratedByPipe);
  }

  public PipeSchemaRegionWritePlanEvent(
      final PlanNode planNode,
      final String pipeName,
      final long creationTime,
      final PipeTaskMeta pipeTaskMeta,
      final TreePattern treePattern,
      final TablePattern tablePattern,
      final String userId,
      final String userName,
      final String cliHostname,
      final boolean skipIfNoPrivileges,
      final boolean isGeneratedByPipe) {
    super(
        pipeName,
        creationTime,
        pipeTaskMeta,
        treePattern,
        tablePattern,
        userId,
        userName,
        cliHostname,
        skipIfNoPrivileges,
        isGeneratedByPipe);
    this.planNode = planNode;
  }

  public PlanNode getPlanNode() {
    return planNode;
  }

  @Override
  public EnrichedEvent shallowCopySelfAndBindPipeTaskMetaForProgressReport(
      final String pipeName,
      final long creationTime,
      final PipeTaskMeta pipeTaskMeta,
      final TreePattern treePattern,
      final TablePattern tablePattern,
      final String userId,
      final String userName,
      final String cliHostname,
      final boolean skipIfNoPrivileges,
      final long startTime,
      final long endTime) {
    return new PipeSchemaRegionWritePlanEvent(
        planNode,
        pipeName,
        creationTime,
        pipeTaskMeta,
        treePattern,
        tablePattern,
        userId,
        userName,
        cliHostname,
        skipIfNoPrivileges,
        isGeneratedByPipe);
  }

  @Override
  public ByteBuffer serializeToByteBuffer() {
    final ByteBuffer planBuffer = planNode.serializeToByteBuffer();
    final ByteBuffer result = ByteBuffer.allocate(Byte.BYTES * 2 + planBuffer.limit());
    ReadWriteIOUtils.write(PipeSchemaSerializableEventType.SCHEMA_WRITE_PLAN.getType(), result);
    ReadWriteIOUtils.write(isGeneratedByPipe, result);
    result.put(planBuffer);
    return result;
  }

  @Override
  public void deserializeFromByteBuffer(final ByteBuffer buffer) {
    isGeneratedByPipe = ReadWriteIOUtils.readBool(buffer);
    planNode = PlanNodeType.deserialize(buffer);
  }

  /////////////////////////// Object ///////////////////////////

  @Override
  public String toString() {
    return String.format("PipeSchemaRegionWritePlanEvent{planNode=%s}", planNode)
        + " - "
        + super.toString();
  }

  @Override
  public String coreReportMessage() {
    return String.format("PipeSchemaRegionWritePlanEvent{planNode=%s}", planNode)
        + " - "
        + super.coreReportMessage();
  }
}
